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What characterized the Ordovician in terms of invertebrate life, and how does that relate to what was happening geologically at the time?
Q16: What is the lesser way that glaciers
Q17: When magma cools slowly, crystal growth proceeds
Q19: Which reptile group is considered to have
Q22: The Queenston Delta formed in response to
Q29: What is the driving mechanism for plate
Q33: What caused the bulk of the damage
Q36: What do glacial striations indicate?
Q49: The ice ages are caused by:<br>A) the
Q51: Alluvial fan sediment is deposited by flashflood,
Q76: Name one property commonly exhibited by minerals